What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 50561-0: Protein Auto test strip (U) [Mass/Vol]

Name: LOINC Code 50561-0: Protein Auto test strip (U) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:34.496Z

50561-0 is a LOINC code used to identify Protein Auto test strip (U) [Mass/Vol] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Protein. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Protein. It is commonly used with the system or sample type Urine.

When is it used?

Used in lab systems, EHRs, and clinical data exchange.
May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
Status: ACTIVE
Order vs observation: Observation
Method: Test strip.automated

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Protein [Mass/volume] in Urine by Automated test strip
Protein
This is a semi-quantiative measure that can be reported by the automated instrument as purely qualitative -- but that is rarely the chosen today. It is a routine test strip protein and will not detect microalbumin.
Auto; Automated detection; Dip stick; Dipstick; Elec; Elect; Electr; Kidney; Level; Mass concentration; Nephrology; Point in time; PR; Prot; Random; Renal; SmQn; UA; UR; URINALYSIS; Urn

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Protein Auto test strip (U) [Mass/Vol]Protein [Mass/volume] in Urine by Automated test stripProt Ur Strip.auto-mCncProteinUAProtein, UrineMCnc

Frequently asked questions

Code details

Code50561-0

SystemLOINC

Display nameProtein Auto test strip (U) [Mass/Vol]

DescriptionProtein

Short nameProt Ur Strip.auto-mCnc

ComponentProtein

PropertyMCnc

TimingPt

System (specimen)Urine

ScaleSemiQn

MethodTest strip.automated

ClassUA

Example unitsmg/dL

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.75

Consumer names

Protein, Urine

Part names

ProteinMCncPtUrineSemiQnTest strip.automatedMass ConcentrationPoint in time (spot)Test strip automated

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.